-87-(-28)-45-(-56)=

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Solution for -87-(-28)-45-(-56)= equation: 


Simplifying
-87 + -1(-28) + -45 + -1(-56) = 0

Multiply -1 * -28
-87 + 28 + -45 + -1(-56) = 0

Multiply -1 * -56
-87 + 28 + -45 + 56 = 0

Combine like terms: -87 + 28 = -59
-59 + -45 + 56 = 0

Combine like terms: -59 + -45 = -104
-104 + 56 = 0

Combine like terms: -104 + 56 = -48
-48 = 0

Solving
-48 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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